Figure 15: Microlaryngoscopic picture of the esophageal introitus prior to botulinum toxin injection. A total dose of 75 units of Botox ® was injected. The dots illustrate the injection sites.
Figure 15: Microlaryngoscopic picture of the esophageal introitus prior to botulinum toxin injection. A total dose of 75 units of Botox ® was injected. The dots illustrate the injection sites.